阅读说明：本技术 用于管道内部的全自动打磨除锈装置 (Full-automatic polishing and rust removing device for interior of pipeline ) 是由 贾东升 何林 徐宏科 于 2019-10-14 设计创作，主要内容包括：本发明涉及用于管道内部的全自动打磨除锈装置,包括固定主轴,在固定主轴的前端和后端设置前车体、后车体,固定主轴的中部连接打磨组件；前车体上设置主动驱动轮机构、电缆接头组件和视频监测机构；在后车体上设置被动轮机构和打磨组件旋转驱动机构；打磨组件旋转驱动机构包括旋转电机,旋转电机通过行星减速机连接主动齿轮；打磨组件包括旋转轴,旋转轴通过一对轴承套设在固定主轴外,在旋转轴的后端外固定套设被动齿轮,被动齿轮与主动齿轮啮合,在旋转轴外固定设置安装架,打磨电机通过打磨减速器连接钢丝刷,钢丝刷可沿其中心自转。本发明可对环焊缝及两侧预留区域360度旋转反复打磨,使得待內补口的区域达到要求St3的清洁度。(The invention relates to a full-automatic polishing and rust removing device for the interior of a pipeline, which comprises a fixed main shaft, wherein a front vehicle body and a rear vehicle body are arranged at the front end and the rear end of the fixed main shaft, and the middle part of the fixed main shaft is connected with a polishing assembly; the front vehicle body is provided with an active driving wheel mechanism, a cable joint component and a video monitoring mechanism; a driven wheel mechanism and a grinding component rotation driving mechanism are arranged on the rear vehicle body; the polishing assembly rotation driving mechanism comprises a rotating motor, and the rotating motor is connected with a driving gear through a planetary reducer; the grinding assembly comprises a rotating shaft, the rotating shaft is sleeved outside the fixed main shaft through a pair of bearing sleeves, a driven gear is sleeved outside the rear end of the rotating shaft in a fixed mode, the driven gear is meshed with a driving gear, a mounting frame is fixedly arranged outside the rotating shaft, the grinding motor is connected with a steel wire brush through a grinding speed reducer, and the steel wire brush can rotate along the center of the steel wire brush. The invention can repeatedly polish the circumferential weld and the reserved areas on the two sides in a 360-degree rotating manner, so that the area of the opening to be repaired in the inner hole can reach the cleanliness of St 3.)

1. The full-automatic grinding and rust removing device for the interior of a pipeline is characterized by comprising a fixed main shaft (1), wherein a front vehicle body (2) is arranged at the front end of the fixed main shaft (1), the rear end of the fixed main shaft (1) is connected with a rear vehicle body (3), and the middle part of the fixed main shaft (1) is connected with a grinding assembly; an active driving wheel mechanism, a cable joint assembly and a video monitoring mechanism are arranged on the front vehicle body (2); a driven wheel mechanism and a grinding component rotation driving mechanism are arranged on the rear vehicle body (3); the polishing assembly rotation driving mechanism comprises a rotating motor (4), and the rotating motor (4) is connected with a driving gear (6) through a planetary reducer (5); the polishing assembly comprises a rotating shaft (7), the rotating shaft (7) is sleeved outside a fixed main shaft (1) through a pair of bearings (8) arranged at two ends of the rotating shaft (7), a driven gear (9) is sleeved outside the rear end of the rotating shaft (7), the driven gear (9) is meshed with a driving gear (8), a mounting frame (10) is arranged outside the rotating shaft (7) in a fixed mode, a polishing motor (11) is arranged on the mounting frame (10), the polishing motor (11) is connected with a steel wire brush (13) through a polishing speed reducer (12), the steel wire brush (13) can rotate along the center of the steel wire brush under the driving of the polishing motor (11), and the rotating shaft (7) can drive the steel wire brush (13) to rotate around the central axis of the fixed main shaft (1) by 360 degrees under the driving of a rotating motor (4).

2. The full-automatic grinding and rust removing device for the interior of a pipeline according to claim 1 is characterized in that a grinding motor (11) is movably mounted on a mounting frame (10) through rotating shafts at two ends of the grinding motor, an electric push rod (14) is arranged on the mounting frame (10), a push rod seat (18) is arranged at the telescopic end of the electric push rod (14), the push rod seat (18) is connected with a steel wire rope (15), a steel wire fixing ring (16) is sleeved on the outer side of a grinding speed reducer (12), a tension spring (17) is connected with the lower end of the steel wire fixing ring (16), the steel wire rope (15) is connected with the upper end of the steel wire fixing ring (16), and the other end of the tension spring (17).

3. The full-automatic grinding and rust removing device for the interior of the pipeline is characterized in that the driving wheel mechanism comprises a traction motor (19), and the traction motor (19) is connected with a pair of wheels (21) through a speed reducer (20); the driven wheel mechanism comprises a pair of wheels (21) arranged on the rear vehicle body.

4. The full-automatic grinding and rust removing device for the interior of the pipeline is characterized in that the cable joint assembly comprises a cable seat (22) arranged on the front vehicle body (2), a plurality of groups of cables (23) with different functions are arranged on the cable seat (22), and a plug (24) is arranged on each cable (23).

5. The full-automatic grinding and rust removing device for the interior of the pipeline is characterized in that the video monitoring mechanism is arranged on the front vehicle body (2) and comprises a camera (25) and an LED illuminating lamp group (26), and the camera (25) and the LED illuminating lamp group (26) are opposite to the direction of the steel wire brush (13).

6. The full-automatic grinding and rust removing device for the interior of the pipeline is characterized in that the outer ends of the front vehicle body (2) and the rear vehicle body (3) are respectively provided with a connecting seat (27).

7. The full-automatic grinding and rust removing device for the interior of the pipeline is characterized in that a front cover shell (28), a middle cover shell (29) and a rear cover shell (30) are arranged outside the front vehicle body (2), the grinding assembly and the rear vehicle body (3).

Technical Field

The invention belongs to the technical field of corrosion prevention treatment in pipelines, and particularly relates to a full-automatic polishing and rust removing device for the interior of a pipeline, which can cover the inner wall of the pipeline at 360 degrees, and the pipe wall can reach St2.5-St 3-level cleanliness.

Background

In recent years, the concept of pipeline integrity is put forward, wherein the concept comprises the integrity of a pipeline body and the integrity of an anticorrosive layer, and the inner anticorrosive layer is ignored most due to the concealment of the inner anticorrosive layer. The pipeline internal corrosion prevention comprises two parts, wherein one part is prefabricated for an internal corrosion prevention layer of a single pipeline in a corrosion prevention factory, the other part is prefabricated for an internal corrosion prevention joint coating of a circumferential weld in a pipeline installation site, a single prefabrication process is mature at present, but the joint coating in the site is always the weakest link of the pipeline internal corrosion prevention due to the factors such as joint coating equipment, pipe diameter, site temperature and humidity, proficiency of operators and the like.

Disclosure of Invention

The invention aims to provide a full-automatic grinding and rust removing device for the interior of a pipeline, and solves the problems that in the prior art, the device cannot continuously rotate around the central axis of the pipeline by 360 degrees and cannot adjust the compression degree of a steel wire brush.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the full-automatic polishing and rust removing device for the interior of the pipeline comprises a fixed main shaft, wherein a front vehicle body is arranged at the front end of the fixed main shaft, the rear end of the fixed main shaft is connected with a rear vehicle body, and the middle part of the fixed main shaft is connected with a polishing assembly; an active driving wheel mechanism, a cable joint assembly and a video monitoring mechanism are arranged on the front vehicle body; a driven wheel mechanism and a grinding assembly rotation driving mechanism are arranged on the rear vehicle body; the polishing assembly rotation driving mechanism comprises a rotating motor, and the rotating motor is connected with a driving gear through a planetary reducer; the polishing assembly comprises a rotating shaft, the rotating shaft is sleeved outside the fixed main shaft through a pair of bearing sleeves arranged at two ends of the rotating shaft, a driven gear is arranged outside the rear end of the rotating shaft in a fixed sleeve mode, the driven gear is meshed with the driving gear, a mounting frame is arranged outside the rotating shaft in a fixed mode, a polishing motor is arranged on the mounting frame and is connected with a steel wire brush through a polishing speed reducer, the steel wire brush can rotate along the center of the steel wire brush under the driving of the polishing motor, and the rotating shaft can drive the steel wire brush to rotate around the central axis of the fixed main shaft by 360 degrees under the driving.

Further, the installation of the pivot activity of polishing motor through its both ends is all on the mounting bracket, set up electric putter on the mounting bracket, electric putter's flexible end department sets up the push rod seat, and wire rope is connected to the push rod seat, and the solid fixed ring of steel wire is established to the reduction gear outside cover of polishing, and extension spring is connected to the solid fixed ring's of steel wire lower extreme, and wire rope is connected to the solid fixed ring's of steel wire upper end, and extension spring's the other end is fixed on the mounting bracket.

Furthermore, the active driving wheel mechanism comprises a traction motor, and the traction motor is connected with a pair of wheels through a speed reducer; the driven wheel mechanism comprises a pair of wheels arranged on the rear vehicle body.

Further, the cable joint subassembly is including setting up the cable seat on the automobile body in the front, sets up the cable of multiunit different functions on the cable seat, sets up the plug on the cable.

Furthermore, the video monitoring mechanism is arranged on the front vehicle body and comprises a camera and an LED illuminating lamp group, and the camera and the LED illuminating lamp group are right opposite to the direction of the steel wire brush.

Furthermore, the outer ends of the front vehicle body and the rear vehicle body are respectively provided with a connecting seat.

Compared with the prior art, the invention has the beneficial effects that:

the device provided by the invention is provided with traction power, the speed regulation range is 20cm/min-20m/min, the rotating speed of a steel wire grinding brush can reach 15000rpm, the linear speed is 85m/s, a grinding assembly can continuously rotate around the axis of a pipeline by 360 degrees, the rotary motion of the grinding assembly and the traction motion are combined, the continuous operation can be carried out on the annular inner wall of the pipeline, the circumferential weld joint and reserved areas on two sides can be repeatedly ground, and a welding beading, welding slag and a burned-black carbonized anticorrosive coating are thoroughly removed, so that the area of an opening to be internally repaired reaches the cleanliness required by St 3.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is an overall cross-sectional view of FIG. 1;

FIG. 3 is an end view of an embodiment of the present invention within a pipe;

FIG. 4 is a partial cross-sectional view of a grinding assembly in accordance with an embodiment of the present invention;

fig. 5 is a schematic diagram of the operation of an embodiment of the present invention.

1-fixed main shaft, 2-front vehicle body, 3-rear vehicle body, 4-rotating motor, 5-planetary reducer, 6-driving gear, 7-rotating shaft, 8-bearing, 9-driven gear, 10-mounting rack, 11-grinding motor, 12-grinding reducer, 13-steel brush, 14-electric push rod, 15-steel wire rope, 16-steel wire fixing ring, 17-tension spring, 18-push rod seat, 19-traction motor, 20-reducer, 21-wheel, 22-cable seat, 23-cable, 24-plug, 25-camera, 26-LED lighting lamp group, 27-connecting seat, 28-front cover, 29-middle cover, 30-rear cover and 31-pipeline.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances.

The invention provides a full-automatic grinding and rust removing device for the interior of a pipeline, which comprises a fixed main shaft 1, wherein the front end of the fixed main shaft 1 is provided with a front vehicle body 2, the rear end of the fixed main shaft 1 is connected with a rear vehicle body 3, and the middle part of the fixed main shaft 1 is connected with a grinding assembly; an active driving wheel mechanism, a cable joint assembly and a video monitoring mechanism are arranged on the front vehicle body 2; a driven wheel mechanism and a grinding component rotation driving mechanism are arranged on the rear vehicle body 3; the polishing assembly rotation driving mechanism comprises a rotating motor 4, and the rotating motor 4 is connected with a driving gear 6 through a planetary reducer 5; the polishing assembly comprises a rotating shaft 7, the rotating shaft 7 is sleeved outside the fixed spindle 1 through a pair of bearings 8 arranged at two ends of the rotating shaft 7, a driven gear 9 is fixedly sleeved outside the rear end of the rotating shaft 7, the driven gear 9 is meshed with the driving gear 8, an installation frame 10 is fixedly arranged outside the rotating shaft 7, a polishing motor 11 is arranged on the installation frame 10, the polishing motor 11 is connected with a steel wire brush 13 through a polishing speed reducer 12, the steel wire brush 13 can rotate along the center of the steel wire brush under the driving of the polishing motor 11, and the rotating shaft 7 can drive the steel wire brush 13 to rotate around the central axis of the fixed spindle 1 by 360 degrees under the driving of the rotating motor 4. And (5) polishing along the inner wall of the pipeline.